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1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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4937 } | 4937 } |
4938 | 4938 |
4939 | 4939 |
4940 void MacroAssembler::JumpIfBothInstanceTypesAreNotSequentialAscii( | 4940 void MacroAssembler::JumpIfBothInstanceTypesAreNotSequentialAscii( |
4941 Register first, | 4941 Register first, |
4942 Register second, | 4942 Register second, |
4943 Register scratch1, | 4943 Register scratch1, |
4944 Register scratch2, | 4944 Register scratch2, |
4945 Label* failure) { | 4945 Label* failure) { |
4946 int kFlatAsciiStringMask = | 4946 int kFlatAsciiStringMask = |
4947 kIsNotStringMask | kStringEncodingMask | kAsciiDataHintMask | | 4947 kIsNotStringMask | kStringEncodingMask | kStringRepresentationMask; |
4948 kStringRepresentationMask; | |
4949 int kFlatAsciiStringTag = ASCII_STRING_TYPE; | 4948 int kFlatAsciiStringTag = ASCII_STRING_TYPE; |
4950 ASSERT_EQ(ASCII_STRING_TYPE, ASCII_STRING_TYPE & kFlatAsciiStringMask); | |
4951 ASSERT(kFlatAsciiStringTag <= 0xffff); // Ensure this fits 16-bit immed. | 4949 ASSERT(kFlatAsciiStringTag <= 0xffff); // Ensure this fits 16-bit immed. |
4952 andi(scratch1, first, kFlatAsciiStringMask); | 4950 andi(scratch1, first, kFlatAsciiStringMask); |
4953 Branch(failure, ne, scratch1, Operand(kFlatAsciiStringTag)); | 4951 Branch(failure, ne, scratch1, Operand(kFlatAsciiStringTag)); |
4954 andi(scratch2, second, kFlatAsciiStringMask); | 4952 andi(scratch2, second, kFlatAsciiStringMask); |
4955 Branch(failure, ne, scratch2, Operand(kFlatAsciiStringTag)); | 4953 Branch(failure, ne, scratch2, Operand(kFlatAsciiStringTag)); |
4956 } | 4954 } |
4957 | 4955 |
4958 | 4956 |
4959 void MacroAssembler::JumpIfInstanceTypeIsNotSequentialAscii(Register type, | 4957 void MacroAssembler::JumpIfInstanceTypeIsNotSequentialAscii(Register type, |
4960 Register scratch, | 4958 Register scratch, |
4961 Label* failure) { | 4959 Label* failure) { |
4962 int kFlatAsciiStringMask = | 4960 int kFlatAsciiStringMask = |
4963 kIsNotStringMask | kStringEncodingMask | kAsciiDataHintMask | | 4961 kIsNotStringMask | kStringEncodingMask | kStringRepresentationMask; |
4964 kStringRepresentationMask; | |
4965 int kFlatAsciiStringTag = ASCII_STRING_TYPE; | 4962 int kFlatAsciiStringTag = ASCII_STRING_TYPE; |
4966 ASSERT_EQ(ASCII_STRING_TYPE, ASCII_STRING_TYPE & kFlatAsciiStringMask); | |
4967 And(scratch, type, Operand(kFlatAsciiStringMask)); | 4963 And(scratch, type, Operand(kFlatAsciiStringMask)); |
4968 Branch(failure, ne, scratch, Operand(kFlatAsciiStringTag)); | 4964 Branch(failure, ne, scratch, Operand(kFlatAsciiStringTag)); |
4969 } | 4965 } |
4970 | 4966 |
4971 | 4967 |
4972 static const int kRegisterPassedArguments = 4; | 4968 static const int kRegisterPassedArguments = 4; |
4973 | 4969 |
4974 int MacroAssembler::CalculateStackPassedWords(int num_reg_arguments, | 4970 int MacroAssembler::CalculateStackPassedWords(int num_reg_arguments, |
4975 int num_double_arguments) { | 4971 int num_double_arguments) { |
4976 int stack_passed_words = 0; | 4972 int stack_passed_words = 0; |
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5531 opcode == BGTZL); | 5527 opcode == BGTZL); |
5532 opcode = (cond == eq) ? BEQ : BNE; | 5528 opcode = (cond == eq) ? BEQ : BNE; |
5533 instr = (instr & ~kOpcodeMask) | opcode; | 5529 instr = (instr & ~kOpcodeMask) | opcode; |
5534 masm_.emit(instr); | 5530 masm_.emit(instr); |
5535 } | 5531 } |
5536 | 5532 |
5537 | 5533 |
5538 } } // namespace v8::internal | 5534 } } // namespace v8::internal |
5539 | 5535 |
5540 #endif // V8_TARGET_ARCH_MIPS | 5536 #endif // V8_TARGET_ARCH_MIPS |
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